18070976 has 112 divisors (see below), whose sum is σ = 47304960. Its totient is φ = 6635520.

The previous prime is 18070967. The next prime is 18070979. The reversal of 18070976 is 67907081.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18070979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93536 + ... + 93728.

Almost surely, 2^18070976 is an apocalyptic number.

18070976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18070976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23652480).

18070976 is an abundant number, since it is smaller than the sum of its proper divisors (29233984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18070976 is a wasteful number, since it uses less digits than its factorization.

18070976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 18070976 is about 4250.9970595144. The cubic root of 18070976 is about 262.4181501425.

The spelling of 18070976 in words is "eighteen million, seventy thousand, nine hundred seventy-six".